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At power on, the system controller detects if an FMC module is installed on J28:
• If no card is attached to the FMCP connector, the VADJ voltage is set to 1.8V.
• When an FMC card is attached, its IIC EEPROM is read to find a VADJ voltage supported by
both the ZCU670 board and the FMC module, within the available choices of 0.0V, 1.2V, 1.5V,
and 1.8V.
• If no valid information is found in an FMC card IIC EEPROM, the VADJ_FMC rail is set to 0.0V.
The system controller user interface allows the FMC IPMI routine to be overridden and an
explicit value can be set for the VADJ_FMC rail. Override mode is useful for FMC mezzanine
cards that do not contain valid IPMI EPROM data defined by the ANSI/VITA57.1 specification.
ZCU670 MSP430 System Controller
[Figure
2, callout 19]
The ZCU670 board includes an on-board MSP430 (U38) with integrated power advantage
demonstration and system controller firmware. A host PC resident system controller board user
interface is provided on the
the query and control of select programmable features such as clocks, FMC functionality, and
power system parameters. The ZCU670 website also includes the ZCU670 System Controller GUI
Tutorial (XTP698) and ZCU670 Software Install and Board Setup Tutorial (XTP699).
These steps briefly summarize these instructions.
1. Ensure that the Skyworks Solutions, Inc. (SiLabs) VCP USB-UART drivers are installed Silicon
Labs CP210x USB-to-UART Installation Guide (UG1033).
2. Download the board user interface host PC application from the board documentation
website.
3. Connect the micro-USB cable to the ZCU670 USB-UART connector (J24).
4. Power-cycle the ZCU670.
5. Observe that SYSCTLR LED0 (DS9) blinks and LED1 (DS10) is illuminated.
UG1532 (v1.0) March 30, 2022
ZCU670 Board User Guide
ZCU670 Evaluation Board
Chapter 3: Board Component Descriptions
website. The board user interface allows
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